Now showing items 1-20 of 126

    • A hierarchically correlated flow defect model for metallic glass: Universal understanding of stress relaxation and creep 

      Hao, Qi; Lyu, G.J.; Pineda Soler, Eloi; Pelletier, J. M.; Wang, Yun-Jiang; Yang, Yong; Qiao, J. C. (2022-07-01)
      Article
      Open Access
      Due to the structurally disordered arrangement of atoms and deviation from thermodynamic equilibrium, the physical and mechanical properties of metallic glasses can vary with time, temperature and magnitude of strain or ...
    • Achieving structural rejuvenation in metallic glass by modulating ß relaxation intensity via easy-to-operate mechanical cycling 

      Zhang, Lin T.; Wang, Yunjiang; Pineda Soler, Eloi; Yang, Yong; Qiao, Jichao (2022-10-01)
      Article
      Open Access
      Structural rejuvenation is an effective measure to optimize the mechanical properties of metallic glasses (MGs). Sophisticated solutions to rejuvenation include thermal cycling, laser shocking, and multiaxial stress ...
    • Aging and structural relaxation of hyper-quenched Mg65Cu25Y10 metallic glass 

      Zhai, Fuqiang; Pineda Soler, Eloi; Ruta, Beatrice; Gonzalez Silveira, Marta; Crespo Artiaga, Daniel (2014-12-05)
      Article
      Open Access
      The structural relaxation, glass transition and crystallization processes of Mg65Cu25Y10 metallic glass are studied by Differential Scanning Calorimetry (DSC) and Mechanical spectroscopy. The relaxation model derived from ...
    • Analysis of the anelastic deformation of high-entropy Pd20Pt20Cu20Ni20P20 metallic glass under stress relaxation and recovery 

      Duan, Y.J.; Zhang, L.T.; Kato, Hidemi; Pineda Soler, Eloi; Crespo Artiaga, Daniel; Pelletier, J. M.; Qiao, J. C. (2022-04-30)
      Article
      Open Access
      The anelastic deformation behavior of Pd20Pt20Cu20Ni20 P20 high-entropy metallic glass was probed by monitoring the stress relaxation and recovery processes. The stress relaxation under consecutive strain steps can be ...
    • Anti-aging in ultrastable metallic glasses 

      Lüttich, Martin; Giordano, Valentina; LeFloch, Sylvie; Pineda Soler, Eloi; Zontone, Federico; Luo, Yuansu; Samwer, Konrad; Ruta, Beatrice (2018-03-30)
      Article
      Open Access
      As ultrastable metallic glasses (UMGs) are promising candidates to solve the stability issues of conventional metallic glasses, their study is of exceptional interest. By means of x -ray photon correlation spectroscopy, ...
    • Anti-Aging in ultrastable metallic glasses 

      Luettich, Martin; Giordano, Valentina; LeFloch, Sylvie; Pineda Soler, Eloi; Zontone, Federico; Luo, Yuansu; Samwer, Konrad; Ruta, Beatrice (2018)
      Conference report
      Restricted access - publisher's policy
      Metallic glasses (MGs) show outstanding mechanical, physical and chemical properties and so provide a whole class of materials at the cutting-edge research in metallic and glassy systems1. However, MGs suffer from aging, ...
    • Application of mechanically alloyed Mn-Al metallic particles to wastewater treatment: a comparative investigation of chemical and bacterial approaches to dye degradation in residual textile waters 

      Abolighasemabadi, Mitra; Pineda Soler, Eloi; Escoda, Lluïsa; Suñol, Joan J.; Doelle, Klaus; Chatterje, Siddharth (2018)
      Conference lecture
      Open Access
    • Application of mechanically alloyed MnAl particles to de-colorization of azo dyes 

      Abolighasemabadi, Mitra; Mbarek Wael, Ben; Casabella, Oriol; Roca Bisbe, Helena; Pineda Soler, Eloi; Escoda, Lluïsa; Suñol, Joan J. (2018-04-15)
      Article
      Open Access
      The use of metallic particles has been shown to be an effective, low-cost method for degradation of many contaminating compounds. In this work, we analyze the efficiency of MnAl metallic powders for degrading azo dyes, ...
    • Azo-dye degradation by Mn–Al powders 

      Abolighasemabadi, Mitra; Mbarek Wael, Ben; Cerrillo Gil, Andrea; Roca Bisbe, Helena; Casabella, Oriol; Blánquez, Paqui; Pineda Soler, Eloi; Escoda, Lluïsa; Suñol Martinez, Juan Jose (2020-03-15)
      Article
      Open Access
      Manganese–Aluminum powders were recently reported to show high efficiency and fast reaction rates as decolorization materials for azo-dye aqueous solutions. This work presents a detailed study of different aspects of this ...
    • Characterization of mechanical relaxation in a Cu-Zr-Al metallic glass 

      Liu, Chaoren; Pineda Soler, Eloi; Crespo Artiaga, Daniel (2015-09-15)
      Article
      Open Access
      The temperature dependence of the relaxation times of Cu46Zr46Al8 glass was measured by means of mechanical spectroscopy and static stress-relaxation measurements. The weak intensity of secondary relaxation in this alloy ...
    • Characterization of the stress-temperature-time relaxation spectrum of metallic glasses 

      Pineda Soler, Eloi; Yang, Fan (2018)
      Conference report
      Open Access
    • Cinètica poblacional de processos de cristal·lització i recristal·lització 

      Pineda Soler, Eloi (Universitat Politècnica de Catalunya, 2002-05-21)
      Doctoral thesis
      Open Access
      Els materials nanocristal·lins han esdevingut darrerament un dels camps de recerca més actius en l'àrea de la Ciència de Materials. Aquest tipus de materials, caracteritzats per la presència d'estructures organitzades de ...
    • Comparing the atomic and macroscopic aging dynamics in an amorphous and partially crystalline Zr44Ti11Ni10Cu10Be25 bulk metallic glass 

      Evenson, Zach; Payes Playa, Alba; Chushkin, Y.; di Michiel, Marco; Pineda Soler, Eloi; Ruta, Beatrice (Cambridge University Press, 2017-06-14)
      Article
      Open Access
      Several recent X-ray photon correlation spectroscopy works have reported an anomalous atomic dynamics in hyperquenched metallic glasses. Here, we compare and contrast these microscopic dynamics with that found in a ...
    • Comprehensive insights into the thermal and mechanical effects of metallic glasses via creep 

      Xu, Z R; Qiao, J. C.; Wang, Jun; Pineda Soler, Eloi; Crespo Artiaga, Daniel (2022-02-10)
      Article
      Open Access
      Evolution of deformation and relaxation behaviors of a prototypic metallic glass was explored by extensive creep tests under both physical aging and cyclic loading. Deep insights into the microstructure-induced dynamic ...
    • Connection between mechanical relaxation and equilibration kinetics in a high-entropy metallic glass 

      Duan, Yajuan; Nabahat, Mehran; Tong, Yu; Ortiz Membrado, Laia; Jiménez Piqué, Emilio; Zhao, Kun; Wang, Yun-Jiang; Yang, Yong; Wada, Takeshi; Kato, Hidemi; Pelletier, J. M.; Qiao, Jichao; Pineda Soler, Eloi (American Institute of Physics (AIP), 2024-02-02)
      Article
      Open Access
      The slow transition from an out-of-equilibrium glass towards a supercooled liquid is a complex relaxation phenomenon. In this Letter, we study the correlation between mechanical relaxation and equilibration kinetics in a ...
    • Curs 0: preparació per als estudis a l’EEBE 

      Tornil Sin, Sebastián; Botey Cumella, Muriel; Alarcón Jordán, Marta; Alcaraz Sendra, Olga; Ametller Congost, Lluís; Bruna Escuer, Pere; Camps Anaya, Germinal; Carmona Mejías, Ángeles; Claverol Aguas, Mercè; Crespo Artiaga, Daniel; Pablo Ribas, Joan de; Barrio Casado, María del; Valle Mendoza, Luis Javier del; Encinas Bachiller, Andrés Marcos; Farran Marsà, Adriana; Florido Pérez, Antonio; Gámez López, Antonio; García Senz, Domingo; Gibert Agulló, Oriol; Ikhouane, Fayçal; Jiménez Jiménez, María José; José Pont, Jordi; Linares Alegret, Manuel; Lloveras Muntané, Pol Marcel; López López, José; Macovez, Roberto; Mas Blesa, Albert; Mitjana Riera, Margarida; Muñoz Romero, José; Pardo Soto, Luis Carlos; Periago Oliver, M. Cristina; Pineda Soler, Eloi; Pradell Cara, Trinitat; Ruiz Ordóñez, Magda; Sala Cladellas, Glòria; Soler Turu, Lluís; Tamarit Mur, José Luis; Vendrell Villafruela, Xavier; Zanuy Gomara, David (Universitat Politècnica de Catalunya. Institut de Ciències de l'Educació, 2022-05)
      Article
      Open Access
      Aquest article presenta el desenvolupament i primers resultats d'ús d'un conjunt de cursos virtuals que pretenen proporcionar uns coneixements inicials bàsics de Matemàtiques, Física i !ímica als estudiants que accedeixen ...
    • Dealloying of Cu-Mg-Ca alloys 

      Mbarek Wael, Ben; Pineda Soler, Eloi; Escoda, Lluïsa; Suñol Martinez, Juan Jose; Khitouni, Mohamed (Multidisciplinary Digital Publishing Institute (MDPI), 2018-11-08)
      Article
      Open Access
      The chemical dealloying of Cu-Mg-Ca alloys in free corrosion conditions was investigated for different alloy compositions and different leaching solutions. For some of the precursor alloys, a continuous, pure fcc copper ...
    • Degradation of azo dyes by rapidly solidified metallic particles 

      Mbarek Wael, Ben; Pineda Soler, Eloi; Khitouni, Mohamed; Fiol Santalo, Núria; Escoda, Lluïsa; Suñol Martinez, Juan Jose (2015)
      Conference lecture
      Open Access
      Azo compounds are one of the most common families of dyes used in textile and leather treatments. An important step during the treatment of water polluted by these compounds, is the degradation of the compounds by ...
    • Delayed elasticity of metallic glasses: Loading time and temperature dependences of the anelastic relaxation 

      Nabahat, Mehran; Amini, Narges; Pineda Soler, Eloi; Yang, Fan; Qiao, Jichao; Ruta, Beatrice; Crespo Artiaga, Daniel (American Physical Society (APS), 2022-12-09)
      Article
      Open Access
      One of the hallmarks of disordered matter is the large amplitude of the anelastic deformation, i.e., the fraction of reversible deformation that is not instantaneously recovered after the release of load but is delayed in ...
    • Denser glasses relax faster: enhanced atomic mobility and anomalous particle displacement under in-situ high pressure compression of metallic glasses 

      Cornet, Antoine; Garbarino, Gaston; Zontone, Federico; Chushkin, Yuriy; Jacobs, Jeroen; Pineda Soler, Eloi; Deschamps, Thierry; Li, Shubin; Ronca, Alberto; Shen, Jie; Morard, Guillaume; Neuber, Nico; Frey, Maximilian; Busch, Ralf; Gallino, Isabella (Elsevier, 2023-08-15)
      Article
      Open Access
      Despite that metallic glasses are among the most studied metallic materials, still very little is known on the evolution of their unique structural, dynamical and elastic properties under compression, owing to the difficulty ...